package com.zzyl.nursing.service.impl;

import cn.hutool.core.util.ObjectUtil;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.zzyl.common.utils.http.HttpUtils;
import com.zzyl.nursing.service.WechatService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.core.token.TokenService;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;
@Service
public class WechatServiceImpl implements WechatService {
    // 登录
    private static final String REQUEST_URL = "https://api.weixin.qq.com/sns/jscode2session?grant_type=authorization_code";

    // 获取token
    private static final String TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential";

    // 获取手机号
    private static final String PHONE_REQUEST_URL = "https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=";
    @Value("${wechat.appId}")
    private String appid;

    @Value("${wechat.Secret}")
    private String secret;
    @Override
    public String getOpenid(String code) {
        Map<String, Object> paramMap=new HashMap<>();
        paramMap.put("appid", appid);
        paramMap.put("secret", secret);
        paramMap.put("js_code", code);
      String result = HttpUtil.get(REQUEST_URL, paramMap);
      JSONObject jsonObject = JSONUtil.parseObj(result);
      if (ObjectUtil.isNotEmpty(jsonObject.getInt("errcode"))){
          throw new RuntimeException(jsonObject.getStr("errmsg"));
      }
        String openid = jsonObject.getStr("openid");

        return  openid;
    }

    @Override
    public String getPhone(String detailCode) {
      String token = getToken();
       String url=PHONE_REQUEST_URL+token;
       Map<String, Object> paramMap=new HashMap<>();
       paramMap.put("code", detailCode);
       String result =HttpUtil.post( url, JSONUtil.toJsonStr(paramMap));
       JSONObject jsonObject = JSONUtil.parseObj(result);
       if (jsonObject.getInt("errcode") != 0){
           throw new RuntimeException(jsonObject.getStr("errmsg"));
       }
        return jsonObject.getJSONObject("phone_info").getStr("phoneNumber");
    }
    /**
     * 获取token
     * @return
     */
    private String getToken(){
        Map<String, Object> paramMap=new HashMap<>();
        paramMap.put("appid", appid);
        paramMap.put("secret", secret);
        String result =HttpUtil.get( TOKEN_URL, paramMap);
        JSONObject jsonObject = JSONUtil.parseObj(result);
        if (ObjectUtil.isNotEmpty(jsonObject.getInt("errcode"))){
            throw new RuntimeException(jsonObject.getStr("errmsg"));
        }
        String token = jsonObject.getStr("access_token");
        return  token;
    }
}
